What was the significance of miles a dong slogan let 100 flowers bloom and 100 Schools of thought content

The Hundred Flowers Campaign, also termed the Hundred Flowers Movement was a period in 1956 in the People's Republic of China during which the Communist Party of China (CPC) encouraged citizens to express openly their opinions of the communist regime. Differing views and solutions to national policy were encouraged based on the famous expression by Communist Party Chairman Mao Zedong: "The policy of letting a hundred flowers bloom and a hundred schools of thought contend is designed to promote the flourishing of the arts and the progress of science". The movement was in part a response to the demoralization of intellectuals, who felt estranged from the Communist Party.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: